The Church of St Nicholas (Bulgarian: църква „Свети Никола“, tsarkva „Sveti Nikola“) is a partially preserved medieval Eastern Orthodox church in the town of Melnik in Blagoevgrad Province, southwestern Bulgaria. Dating to the late 12th century, it stands on top of an ancient Thracian sanctuary and a 5th-century basilica. In the Middle Ages, the church served as the cathedral of Melnik's bishop. The interior of the church features frescoes of rarely depicted scenes, as well as a 13th-century inscription.